Home / 3,246.53-4,474.98-2,820.07

Finding the Fourth Proportional to 3,246.53, 4,474.98 and 2,820.07

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Solution

The fourth proportional to 3,246.53, 4,474.98 and 2,820.07 is: 3,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.53 : 4,474.98 = 2,820.07 : x
  2. Step 2: Convert to fraction form
    3,246.53/4,474.98 = 2,820.07/x
  3. Step 3: Cross multiply
    3,246.53x = 4,474.98 × 2,820.07
  4. Step 4: Simplify right side
    3,246.53x = 12,619,745.66
  5. Step 5: Solve for x
    x = 12,619,745.66/3,246.53
  6. Step 6: Final answer
    x = 3,887.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.